Arrhythmogenic Substrate of the Pulmonary Veins -- &#; Regarding the spatial dispersion in refractory periods, several studies have reported that the ERP of the PV or PV ostium was significantly shorter than that of the LA ：
Pulmonary Vein (PV) -Isolation: Arrhythmogenic Vein (s) -- &#; We conduct a randomized study comparing the safety and effectiveness of two interventional ablation techniques for treatment of paroxysmal atrial fibrillation: the Allocation: Randomized
Effective Refractory Period - an overview | ScienceDirect Effective Refractory Period. The effective refractory period (ERP) is the longest S-S interval that fails to capture or depolarize the tissue of interest, at the designated stimulus
Effective Refractory Period - an overview | ScienceDirect John D. Fisher, Andrew Krumerman, in Electrophysiological Disorders of the Heart (Second Edition), Effective Refractory Period. The effective refractory period (ERP) is the
Efficacy of selective arrhythmogenic pulmonary veins-- &#; Purpose Several clinical trials showed inconsistent results of the effect of isolating all versus arrhythmogenic pulmonary veins (PVs) on long-term control of atrial
Bigeminal potentials in the pulmonary vein indicate -- &#; PV bigeminy is relatively rare but a unique electrophysiological finding in AF patients, suggesting reentrant substrate within the PV and/or surrounding tissue. PV
Pulmonary vein volume and myocardial sleeve extensionA large myocardial sleeve extension is a powerful and independent predictor for arrhythmogenic PV, which may be useful anatomical markers to facilitate PAF ablation. J
Frequency analysis in different types of paroxysmal atrial -- &#; The highest DFs were mostly located at the arrhythmogenic PV ostium (%). The DFs of the arrhythmogenic PV and PV ostium were significantly higher than those of
Efficacy of selective arrhythmogenic pulmonary veins-- &#; Over a -month period, patients ( men and women, age +/- years; paroxysmal AF = ) were randomized, and patients completed -year follow
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Arrhythmogenic Left Ventricular Cardiomyopathy: A -- &#; Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a rare cardiomyopathy with a prevalence of / to / .It has been described as an inherited cardiomyopathy characterized by
Pathology and pathogenesis of arrhythmogenic right Abstract. Arrhythmogenic right ventricular cardiomyopathy is a primary heart muscle disease characterized by progressive myocardial atrophy of the right ventricle, with transmural fatty or fibrofatty replacement, either segmental or diffuse, accounting for electrical instability at risk of life-threatening ventricular arrhythmias.
Arrhythmogenic Cardiomyopathy | Circulation ResearchAbstract. Arrhythmogenic cardiomyopathy is an inherited heart muscle disorder, predisposing to sudden cardiac death, particularly in young patients and athletes. Pathological features include loss of myocytes and fibrofatty replacement of right ventricular myocardium; biventricular involvement is often observed.
Efficacy of selective arrhythmogenic pulmonary veins-- &#; Purpose Several clinical trials showed inconsistent results of the effect of isolating all versus arrhythmogenic pulmonary veins (PVs) on long-term control of atrial fibrillation (AF). We hypothesized that isolation of arrhythmogenic veins had a comparable success rate to the empiric isolation of all PVs. Methods PUBMED, EMBASE, and the
Effective Refractory Period - an overview | ScienceDirect John D. Fisher, Andrew Krumerman, in Electrophysiological Disorders of the Heart (Second Edition), Effective Refractory Period. The effective refractory period (ERP) is the longest S-S interval that fails to capture or depolarize the tissue of interest, at the designated stimulus amplitude and duration used for the EPS or delivered remotely by
HRS expert consensus statement on evaluation, risk Arrhythmogenic cardiomyopathy (ACM) is an arrhythmogenic disorder of the myocardium not secondary to ischemic, hypertensive, or valvular heart disease. ACM incorporates a broad spectrum of genetic, systemic, infectious, and inflammatory disorders. This designation includes, but is not limited to, ar
Evaluation of arrhythmogenic foci using a novel-- &#; Purpose The CARTOFINDER mapping system analyzes activation patterns using unipolar potentials during atrial fibrillation (AF), where isoproterenol (ISP) is conventionally used to induce non-pulmonary vein (PV) foci and confirm PV arrhythmogenicity. In patients with persistent AF who underwent ablation at our
Frequency analysis in different types of paroxysmal atrial -- &#; The highest DFs were mostly located at the arrhythmogenic PV ostium (%). The DFs of the arrhythmogenic PV and PV ostium were significantly higher than those of the non-arrhythmogenic PVs and PV ostia (p < .). In the SVC-AF patients, there was a frequency gradient from the SVC to the RA, LA, and PV (. +/- . Hz vs. . +/- . Hz
RBM Mutations Induce an Arrhythmogenic Dilated-- &#; Background: Mutations in RBM (RNA-binding motif protein ) cause a clinically aggressive form of dilated cardiomyopathy, with an increased risk of malignant ventricular arrhythmias. RBM is a splicing factor that targets multiple pivotal cardiac genes, such as Titin (TTN) and CAMKD (calcium/calmodulin-dependent kinase II delta).
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Pathology and pathogenesis of arrhythmogenic right Abstract. Arrhythmogenic right ventricular cardiomyopathy is a primary heart muscle disease characterized by progressive myocardial atrophy of the right ventricle, with transmural fatty or fibrofatty replacement, either segmental or diffuse, accounting for electrical instability at risk of life-threatening ventricular arrhythmias.
Arrhythmogenic Left Ventricular Cardiomyopathy: A -- &#; Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a rare cardiomyopathy with a prevalence of / to / .It has been described as an inherited cardiomyopathy characterized by
Arrhythmogenic Cardiomyopathy | Circulation ResearchEpidemiology. The population frequency of AC has been estimated at : to . Investigators in one of these studies estimated its prevalence on the basis of the number of patients diagnosed with AC evaluated > years (n=), normalizing this to the population served by a regional hospital (n= ), concluding the rate of :. Because the
Clinical Significance of Arrhythmogenic Foci in Atrial -- &#; Atrial fibrillation (AF) is initiated by pulmonary vein (PV) and non-PV foci, which could be associated with initiating and maintaining AF. The development of the remodeling process and preexistent anatomical structures are likely to relate to the structural and electrophysiological changes in the PVs and non-PV area, which could promote the local
HRS expert consensus statement on evaluation, risk -- &#; Arrhythmogenic cardiomyopathy (ACM) is an arrhythmogenic disorder of the myocardium not secondary to ischemic, hypertensive, or valvular heart disease. ACM incorporates a broad spectrum of genetic, systemic, infectious, and inflammatory disorders. This designation includes, but is not limited to, arrhythmogenic right/left ventricular
Dilatation as a Marker of Pulmonary Veins Initiating Atrial -- &#; In patients with atrial fibrillation initiated from one or two ArPVs, the diameters of ArPV were significantly larger than those of non-ArPVs irrespective of the specific PV concerned, which might imply a possible role of PV dilatation in the arrhythmogenesis. AbstractBackground: The pulmonary veins (PVs) have been shown to trigger paroxysmal
(PDF) Design and Construction of MW Class -- &#; The paper investigates overview of construction process of a MW class floating photovoltaic (PV) generation structural system fabricated with fiber reinforced polymer (FRP) members. The floating
Electrophysiology Study and Maneuvers-- &#; The initial portion of the curve represents decremental conduction through the fast pathway. When the refractory period is reached, conduction blocks in the fast pathway (FPERP) and “jumps” to the slow
P Wave Polarity During Pacing in Pulmonary Veins-- &#; Among the ECG leads, I, II, III, aVL, and V are the most helpful in regionalizing premature depolarizations arising in the pulmonary veins. AbstractIntroduction: Recent studies have demonstrated that premature depolarizations that trigger atrial fibrillation often arise in pulmonary veins. The purpose of this study was to evaluate
Innovative models for prediction of compressive strength -- &#; For this purpose, ultimate strain of FRP, effective depth of FRP, compressive strength of concrete, width and spacing and angle of FRP, shear span to depth ratio, the elastic modulus of FRP and thickness of FRP were considered as input parameters while shear strength of FRP is treated as the target one. After a comprehensive review in